Eclipse启动报错:A Java Runtime Environment(JRE) or Java Development Kit(JDK) must be available...

A Java Runtime Environment(JRE) or Java Development Kit(JDK) must be available in order to run Eclipse.Nog Java virtual machine was found after searching the following locations:
C:\Ktools\work\eclipse\jre\bin\javaw.exe
javaw.exe in your current PATH

启动Eclipse时报错,有2个可能:

  1. Eclipse配置文件没有指定JAVA执行路径或路径配置错误。
    解决办法:查看eclipse安装目录下的eclipse.in文件,在文件中添加javaw.exe的绝对路径,如下图:
    Eclipse启动报错:A Java Runtime Environment(JRE) or Java Development Kit(JDK) must be available...
    Eclipse启动报错:A Java Runtime Environment(JRE) or Java Development Kit(JDK) must be available...
    添加完成保存后重启eclipse,问题解决。
  2. jdk安装出错或环境变量配置问题
    解决办法:修改Java环境变量
    Eclipse启动报错:A Java Runtime Environment(JRE) or Java Development Kit(JDK) must be available...
    Eclipse启动报错:A Java Runtime Environment(JRE) or Java Development Kit(JDK) must be available...
    保存,运行cmd,打开命令行->输入java -version,运行结果如下代表环境变量设置成功。
    Eclipse启动报错:A Java Runtime Environment(JRE) or Java Development Kit(JDK) must be available...
    环境变量没问题后重启Eclipse,over!完美启动hiahia~~~